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They come in several shapes and sizes depending on the task. The following is a list of the more common masonry trowels: Brick trowel: or mason's trowel is a point-nosed trowel for spreading mortar on bricks or concrete blocks with a technique called "buttering". The shape of the blade allows for very precise control of mortar placement.
The International Union of Bricklayers and Allied Craftworkers (BAC) is a labor union in the United States and Canada which represents bricklayers, restoration specialists, pointers/cleaners/caulkers, stonemasons, marble masons, cement masons, plasterers, tile setters, terrazzo mechanics, and tile, marble and terrazzo finishers.
This type of joint can be made with a V-shaped jointer or a trowel soon after the bricks are laid. Ornamental and highly visible, the joint conceals small irregularities and is highly attractive. Like the concave joint, the V-joint is water-resistant because its formation compacts the mortar and its shape directs water away from the seal.
An advertisement for a Marshalltown Trowel from 1912. The origins of Marshalltown can be traced back to the American inventor and entrepreneur Dave Lennox.While working in his machine shop in the mid-1880s in Marshalltown, Iowa, Mr. Lennox received a visit from a stonemason who asked him to make a better plastering trowel [7] while working on the construction site of the Marshall County ...
The thickness and width of a tuckpointing tool common ranges from 1 millimetre (0.039 in) to 14 millimetres (0.55 in). The thickness and width of these tools are dependent upon the mason's preference and the type of brick or stonework they are tuckpointing. [citation needed] Wider tools are often used when tuckpointing stonework. [citation needed]
Pool trowel is a flat-bladed tool with rounded ends used to apply coatings to concrete, especially on swimming pool decks. Margin trowel is a small rectangular bladed tool used to move, apply, and smooth small amounts of masonry or adhesive material. Construction worker using a float trowel to smooth freshly poured concrete
A WHS trowel. The WHS pointing trowel is prized amongst archaeologists in the United Kingdom who find its strength useful in digging heavy deposits. In his 1946 book Field Archaeology, Richard J. C. Atkinson (best known for excavating Stonehenge), "unequivocally" recommended the use of a trowel for archaeology; during the postwar era, WHS and a competing brand from Bowden were predominant.
This reduces the compressive strength of the mortar but allows the wall system to function better. The lime mortar acts as a wick that helps to pull water from the brick. This can help to prevent the older brick from spalling. Even when the brick is a modern, harder element, repointing with a higher ratio lime mortar may help to reduce rising damp.